Home / 20,259.26-30,387.58-7,606.52

Finding the Fourth Proportional to 20,259.26, 30,387.58 and 7,606.52

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Solution

The fourth proportional to 20,259.26, 30,387.58 and 7,606.52 is: 11,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259.26 : 30,387.58 = 7,606.52 : x
  2. Step 2: Convert to fraction form
    20,259.26/30,387.58 = 7,606.52/x
  3. Step 3: Cross multiply
    20,259.26x = 30,387.58 × 7,606.52
  4. Step 4: Simplify right side
    20,259.26x = 231,143,735.02
  5. Step 5: Solve for x
    x = 231,143,735.02/20,259.26
  6. Step 6: Final answer
    x = 11,409.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.